1859, 5 C. slate *, full to large margins around, signed, Scott 3e . ÷ 1859, 5 Cent. schieferviolett, voll./breitrandig, ungebraucht signiert, Michel 2a, Katalogwert 450,-€ (Image)

1933, 10 C to 30 C "Cartagena" airmail-issue, complete set of 4 stamps, along with 20 C registration stamp together with 7 further definitive stamps on registered airmail cover from CARTAGENA, 3.1.1934, to Amsterdam in the Netherlands, transit daters Barranquilla, Miami and New York on reverse. F/VF condition. Scarce timely and appropriate usage which was intended only between 30.1.1933 and 6.1.1934 (Image)

1961, Map of Pan-American Highway 20 Ctvs. airmail, lot Proofs in 7 imperforated pairs, different colors, mostly from corner sheet (Scott C391 var.). ÷ 1961, Landkarte Panamericana 20 Cts. Flugpostmarke, 14 ungezähnte Probedrucke in Paaren, verschiedene Farben, meist vom Eckrand. (Image)

1897/1916, AVIS DE RECEPTION, assortment of five letters to foreign destinations, two franked receipt forms and several loose AR stamps, showing attractive frankings and various rates. (Image)

1905/62 (ca.), apprx. 80 covers plus two used stationery, mostly air mail to U.S. inc. censorship and registration. Inc. various SCADTA inland 1926 Medellin-Bogota, 1925 Bogota-Medellin,1930 Medellin-Cali and foreign 1923/27/30 to US, or 1930 to Germany w. o. reverse german language boxed PR mark "Columbian air mail/save 10 days/tarif and acceptance thru each p.o.", merits inspection. (ex Weserland) (Image)